$ git clone -n https://src.fedoraproject.org/rpms/plexus-utils.git /var/lib/mock/f45-build-53662-928/root/chroot_tmpdir/scmroot/plexus-utils
Cloning into '/var/lib/mock/f45-build-53662-928/root/chroot_tmpdir/scmroot/plexus-utils'...
$ git fetch origin fa56c8e42575b55d59f7b1f3f9ee1371225d81ff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plexus-utils
 * [new ref]         fa56c8e42575b55d59f7b1f3f9ee1371225d81ff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa56c8e Update to upstream version 3.6.1